+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-13 08:17:55.909 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-13 08:17:56.215 1 INFO cinder.rpc [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-13 08:17:56.218 1 INFO cinder.rpc [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-13 08:17:56.221 1 INFO cinder.rpc [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-13 08:17:56.224 1 INFO cinder.rpc [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-13 08:17:56.227 1 INFO cinder.rpc [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-13 08:17:56.230 1 INFO cinder.rpc [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-13 08:17:56.312 1 WARNING oslo_config.cfg [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-08-13 08:17:56.313 1 WARNING oslo_config.cfg [None req-b52080e7-505e-4025-a2eb-1f120a57f9c4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-13 08:17:56.325 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-13 08:17:56.351 1 INFO cinder.backup.manager [None req-c304dd66-060f-4af9-8b87-aa0384203b63 - - - - - -] Cleaning up incomplete backup operations.
2026-08-13 08:17:56.413 1 INFO cinder.keymgr.migration [None req-2218431e-e904-48aa-9100-fc65dffe2839 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.